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answered NDSolve in Mathematica won't use all the cores avaiable
Mar
8
comment Express integer as a sum of specific integers from a set, using each no more than once
Google the words in italics...
Mar
8
answered Express integer as a sum of specific integers from a set, using each no more than once
Feb
15
comment Code for (a,b) with gcd(a,b)=1?
Thanks, @rasher, it is genuinely heartening to see your comment. I've learned a lot from answers by people like you here on Mma SE. Project Euler is notoriously unforgiving of casual coding, and this gem from Allan Hayes helped a great deal with generating primitive Pythagorean triples.
Feb
12
answered Code for (a,b) with gcd(a,b)=1?
Feb
2
awarded  Nice Answer
Jan
31
answered Mathematica and POV-Ray workflow (Q&A)
Jan
30
comment What are the arguments supplied to ColorFunction in MandelbrotSetPlot?
Ahhh, thanks for that. The Abs may explain the bizarre behaviour. @Kuba: thanks for the edits! I will use them in future.
Jan
30
answered PowerFactorial and Factorial
Jan
23
awarded  Revival
Jan
22
answered What are the arguments supplied to ColorFunction in MandelbrotSetPlot?
Jan
20
comment How to rewrite and possibly speed up a recursive sum?
When Sum is given a range with an undefined upper limit, k in your case, it tries to find the analytic solution, which takes time. The argument to Sum gets more and more complicated, so I assume this is where the slowdown arises.
Jan
20
answered How to rewrite and possibly speed up a recursive sum?
Jan
14
answered Intensive test parallel computation?
Jan
13
answered Distinguishing left from right adjacent triangles in triangle mesh
Jan
4
answered Sum the coefficient of a series
Jan
4
awarded  Critic
Jan
4
comment Collatz optimization
@globby Yes, looks good. Try it and see!
Jan
4
answered Diophantine equation: getting a list of solutions for each coeficient
Jan
1
answered Find the minimum integer r such that $(10^r - 1)/37$ is an integer